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☆☆☆☆☆Cards in this guide (6)
What is the length of the High Coast Bridge above water
A rock falls off a bridge and hits the water 8 seconds later. How high is the bridge? A rock falls off a bridge and hits the water 8 seconds later. How high is the bridge?
A rock is dropped from a cliff and hits the ground 6.0 seconds later How high is the cliff
176.4 meters
A hammer is dropped off a roof of an apartment building that is 80 meters high How long will it take to hit the ground
The hammer will take square-root(2x80/9.8)= 4.04 seconds to hit the ground.
The distance is related to the time by s=v0t + 1/2 gt^2 where vo, the initial velocity is=0.
The answer is 4.04 or rounded is 4 seconds.
Which of these changes as the momentum of an object changes
Mass
A baseball is hit straight up at an initial velocity of 150MS. what will be the baseballs speed when it hits the ground
20.40
During a baseball game the batter hits a high pop up directly over home plate If the ball stays in the air six seconds how high did the ball go
176.4 meters
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